1. Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
2. Center for Reservoir and Aquatic Systems Research (CRASR), Baylor University, Waco, Texas 76798, United States
3. Department of Biology, Baylor University, Waco, Texas 76798, United States
4. Biology Department, Duke University, Durham, North Carolina 27708, United States
5. Department of Forestry & Environmental Resources, North Carolina State University, Raleigh, North Carolina 27695, United States
6. Civil & Environmental Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
7. Department of Environmental Science, Baylor University, Waco, Texas 76798, United States
8. Department of Ecosystem and Conservation Sciences, University of Montana, Missoula, Montana 59812, United States